Possible, but it would still be a very narrow issue. However, a lot of mods (and players) have experienced the reinforcement ctd, so I doubt it´s something that simple. What strikes me as odd is the fact that - according to my own experience, I cannot speak for others - all the mods in which the reinforcement ctd happened have modded traits and ancilliaries, lending weight to bozo´s theory that some internal calculation goes awry. However, that leaves the question why I´ve never experienced this bug in the vanilla version.
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